Home / 43,234.50-64,767.83-28,398.40

Finding the Fourth Proportional to 43,234.50, 64,767.83 and 28,398.40

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Solution

The fourth proportional to 43,234.50, 64,767.83 and 28,398.40 is: 42,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,234.50 : 64,767.83 = 28,398.40 : x
  2. Step 2: Convert to fraction form
    43,234.50/64,767.83 = 28,398.40/x
  3. Step 3: Cross multiply
    43,234.50x = 64,767.83 × 28,398.40
  4. Step 4: Simplify right side
    43,234.50x = 1,839,302,743.47
  5. Step 5: Solve for x
    x = 1,839,302,743.47/43,234.50
  6. Step 6: Final answer
    x = 42,542.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.